Created
July 17, 2023 16:29
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Modified Observer with single JSON Object design
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| import org.json.JSONObject | |
| typealias JsonObserver = (jsonObject: JSONObject) -> Unit | |
| class JSONSubject { | |
| companion object { | |
| fun instance() = JSONSubject() | |
| } | |
| private var observer: JsonObserver? = null | |
| private val jsonObject: JSONObject = JSONObject() | |
| fun registerObserver(observer: JsonObserver) { this.observer = observer } | |
| fun updateKey(key: String, value: Any) { | |
| jsonObject.put(key, value) | |
| observer?.let { it(jsonObject) } | |
| } | |
| fun removeKey(key: String){ | |
| jsonObject.remove(key) | |
| } | |
| } |
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